Finding the Fourth Proportional to 220,868.51, 331,334.08 and 71,073.99
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Solution
The fourth proportional to 220,868.51, 331,334.08 and 71,073.99 is: 106,621.06
Step by Step Solution
- Step 1: Write the proportion equation
220,868.51 : 331,334.08 = 71,073.99 : x - Step 2: Convert to fraction form
220,868.51/331,334.08 = 71,073.99/x - Step 3: Cross multiply
220,868.51x = 331,334.08 × 71,073.99 - Step 4: Simplify right side
220,868.51x = 23,549,234,910.89 - Step 5: Solve for x
x = 23,549,234,910.89/220,868.51 - Step 6: Final answer
x = 106,621.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.